package com.itheima.web.servlet;

import com.itheima.domain.User;
import com.itheima.service.UserService;
import com.itheima.service.impl.UserServiceImpl;
import org.apache.commons.beanutils.BeanUtils;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.util.Map;

@WebServlet("/updateUserServlet")
public class UpdateUserServlet extends HttpServlet {
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        try {
            //设置请求编码
            req.setCharacterEncoding("utf-8");
            //获取请求参数
            Map<String, String[]> map = req.getParameterMap();
            //封装数据
            User user = new User();
            BeanUtils.populate(user,map);
            //调用service保存
            UserService service = new UserServiceImpl();
            service.update(user);
            //重定向再次查询
            resp.sendRedirect(req.getContextPath()+"/userListServlet");
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        } catch (InvocationTargetException e) {
            e.printStackTrace();
        }
    }

    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        this.doPost(req, resp);
    }
}